Environmental Engineering Reference
In-Depth Information
Fig. 4.3
Taxonomic composition of benthic macroinver-
tebrate community (order level) within different basins of
the Himalayan region. (
a
) Yamuna basin. (
b
) Bhagirathi
basin. (
c
) Mandakini basin. (
d
) Alaknanda basin. (
e
)
Pindar basin. (
f
) Ramganga basin
Benthic Invertebrate Fauna
and Communities in Different
Forest Types
relative abundance of Ephemeroptera and
Trichoptera is almost similar in this basin
(Table
4.2
). In the Bhagirathi basin, Trichoptera is
dominant in the deodar-oak, pine-utees and even
pine forest streams of this and Bhilangana basin.
Ephemeroptera is also abundant in the pine forest
(Dharasu Gad). In the Mandakini basin all forest
types are dominated by the Trichoptera except
In the Yamuna basin, the oak and deodar forest
streams are characterised by Ephemeroptera, while
pine-oak and oak-deodar-fi r are characterised
by Trichoptera, both being forest land use. The
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